Here I have Asus Zenfone 5Z and let me show you how to use secret codes on the following device
At the very beginning let me start by using the home screen. Let me swipe to the left, choose Asus folder and let's open the calculator
So right now let me show you the secret code to open the test menu
So you need to use this code .12345++
Alright this is SMMI test, so this is like the hardware test mode
Here you can read a couple of useful information, you can use the CPU usage or check out the
battery level. You can also use more key to see test results, to clear cache or to reset the following menu
You can also perform all tests, so you can test all hardware features of the device or
you can simply choose single test. So by using single test you can here test the fingerprint, bluetooth, wifi, sim card
touch, camera, keypad, vibration. For example let me tap the vibration test, let me choose start
You can see the information about the results, you can test again
You can here also test the speaker
So if the sound is ok let's tap pass. You can also use the speaker test, receiver, test camera, display and other stuff as well
Let's go back to quit this mode and now it's time to use other secret codes
In order to do it let's open the phones dialer and let's use the android testing menu
You need to use this code, asterix pound, asterix pound, 4636 pound asterix, pound asterix
The android testing menu pops up, here you can choose device information, you can read
the email number, phone number, current network. You can run a ping test or use more key in order to view sim address, view fixed dialing
numbers or enable data connection. Let's go back. You can also here use usage statistics, here you can read the important information about
your apps, you can read the last time used or usage time
You may also here tap wifi information when you can choose wifi api, so here you can disable
network, disconnect network, enable network or get configured networks. You can also use here wifi config to read configured networks information or you can
choose wifi status to read statistics about your wifi. You can also here refresh, start or run a ping test
Use back key to quit this menu. Now it's time to check out the calendar info, so all you need to do is use this code, asterix
pound, asterix pound, 225 pound asterix, pound asterix. As you can see calendar info pops up, so here you can read important information from your
calendar such as events for example. Let's go back, now it's time to check out the google play service mode, so let's use
asterix pound, asterix pound, 426 pound asterix, pound asterix. That's it, the google play service pops up, here you can choose ping, connect, disconnect
or events. You may also check out the email number by using secret code, so all you need to do is
use this code, asterix pound, 06 pound and the email number just pops up in front of you
It's ok to confirm the operation, now you can start using your device in a normal way
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